Highlighter nib



FIG. 1 is a side view of a highlighter nib of the claimed design shown on a highlighter;

FIG. 2 is an enlarged side view of the highlighter nib of FIG. 1;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines showing the nib housing and the highlighter body in FIGS. 1-5 are included for the purpose of illustrating portions of the highlighter that form no part of the claimed design. 

The ornamental design for a highlighter nib, as shown and described. 